1153435225 has 48 divisors (see below), whose sum is σ = 1537544448. Its totient is φ = 856880640.

The previous prime is 1153435207. The next prime is 1153435253. The reversal of 1153435225 is 5225343511.

It is not a de Polignac number, because 1153435225 - 2⁹ = 1153434713 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1869117 + ... + 1869733.

It is an arithmetic number, because the mean of its divisors is an integer number (32032176).

Almost surely, 2^1153435225 is an apocalyptic number.

It is an amenable number.

1153435225 is a deficient number, since it is larger than the sum of its proper divisors (384109223).

1153435225 is a wasteful number, since it uses less digits than its factorization.

1153435225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754 (or 749 counting only the distinct ones).

The product of its digits is 18000, while the sum is 31.

The square root of 1153435225 is about 33962.2617768605. The cubic root of 1153435225 is about 1048.7317188657.

Adding to 1153435225 its reverse (5225343511), we get a palindrome (6378778736).

The spelling of 1153435225 in words is "one billion, one hundred fifty-three million, four hundred thirty-five thousand, two hundred twenty-five".